diff --git a/format-master.xml b/format-master.xml
index ef1b1fd..9c62d53 100755
--- a/format-master.xml
+++ b/format-master.xml
@@ -2837,9 +2837,9 @@
 	</template>
 	
 	<!--
-		An item within a bibilography.
+		An item within a bibliography.
 		
-		@label: The unique label of the bibilography item, so it can
+		@label: The unique label of the bibliography item, so it can
 		be cited. [REQUIRED]
 	-->
 	<template name="bibitem" match="bibliography/item">
@@ -2850,21 +2850,41 @@
 	</template>
 	
 	<!--
-		A citation.
-		
-		@label: The unique label of the bibliography item. [REQUIRED]
+		A citation. To cater for multiple cited items, the items are
+		specified using nested <item> elements rather than a "label"
+		attribute. There must be at least one item. Each item must have
+		a "label" attribute.
 	-->
 	<template name="citation" match="cite">
-		<latex>\cite{<xsl:value-of select="@label" />}</latex>
+		<latex>\cite{<xsl:apply-templates select="item" />}</latex>
 		<html>
 			<xsl:variable name="id">
 				<xsl:value-of select="@label" />
 			</xsl:variable>
 			<xsl:text> [</xsl:text>
-			<A HREF="#{@label}"><xsl:value-of select="1 + count(//bibliography/item[@label = $id]/preceding-sibling::*)" /></A>
+			<xsl:apply-templates select="item" />
 			<xsl:text>]</xsl:text>
 		</html>
 	</template>
+	
+	<!--
+		A cited item.
+		
+		@label: The unique label of the cited item. [REQUIRED]
+	-->
+	<template name="citation-item" match="cite/item">
+		<latex>
+			<xsl:value-of select="@label" />
+			<xsl:if test="position() != last()"><xsl:text>,</xsl:text></xsl:if>
+		</latex>
+		<html>
+			<xsl:variable name="id">
+				<xsl:value-of select="@label" />
+			</xsl:variable>
+			<A HREF="#{@label}"><xsl:value-of select="1 + count(//bibliography/item[@label = $id]/preceding-sibling::*)" /></A>
+			<xsl:if test="position() != last()"><xsl:text>, </xsl:text></xsl:if>
+		</html>
+	</template>
 
 
 </stylesheet>
